Rigid circle for moving down slopes under gravity - has internal stand mounted on rollers which slide around inner surface of circle

摘要

The device is for rolling down slopes of many kinds of surfaces and is a rigid circle that moves under the effect of gravity. Inside the circle there is a stand with a plate on which the user stands and the direction of the circle is altered by leaning the body. The stand has a handlebar and rollers underneath that roll round the inner surface of the circle when it rolls.